Source Crayola® CSS3 CSS4
#4b5155
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#252e3b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a706f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey